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Table 8 Predicted probabilities for panic disorder, agoraphobia and social phobia, and for any anxiety disorder respectively based on the prevalence and likelihood ratios associated with low (0–3), moderate (4–9) and high (10–24) 4DSQ anxiety scores

From: To what extent does the anxiety scale of the Four-Dimensional Symptom Questionnaire (4DSQ) detect specific types of anxiety disorder in primary care? A psychometric study

 

Panic disorder, agoraphobia and social phobia

Any anxiety disorder

Anxiety score

LR (95% CI)c

Prevalence = 0.33a(prior odds = 0.49)

Prevalence = 0.16b(prior odds = 0.19)

LR (95% CI)c

Prevalence = 0.49a(prior odds = 0.96)

Prevalence = 0.25b(prior odds = 0.33)

  

Prob. (95% CI)d

Prob. (95% CI)d

 

Prob. (95% CI)d

Prob. (95% CI)d

0-3

0.26 (0.19; 0.35)

0.12 (0.08; 0.15)

0.05 (0.04; 0.07)

0.33 (0.27; 0.40)

0.24 (0.21; 0.28)

0.10 (0.08; 0.12)

4-9

0.91 (0.74; 1.11)

0.31 (0.26; 0.35)

0.15 (0.12; 0.17)

0.96 (0.79; 1.16)

0.48 (0.43; 0.53)

0.24 (0.21; 0.28)

10-24

3.39 (2.79; 4.12)

0.62 (0.58; 0.67)

0.39 (0.35; 0.44)

4.80 (3.66; 6.30)

0.82 (0.78; 0.86)

0.61 (0.55; 0.68)

  1. aPrevalence based on the pooled sample in this study.
  2. bHalf the prevalence in the pooled sample in this study.
  3. cLR = likelihood ratio.
  4. dProb. = predicted posterior probability of disorder given the prevalence and anxiety score.